locking.mh

来自「开放源码的编译器open watcom 1.6.0版的源代码」· MH 代码 · 共 31 行

/*
 *  sys/locking.h       Flags for locking() function
 *
:include crwat.sp
 */
#ifndef __LOCKING_H_INCLUDED
#define __LOCKING_H_INCLUDED
:include readonly.sp
:include cpluspro.sp

#ifndef _COMDEF_H_INCLUDED
 #include <_comdef.h>
#endif

#define _LK_UNLCK   0   /* unlock region of a file */
#define LK_UNLCK    _LK_UNLCK
#define _LK_LOCK    1   /* lock a region of a file */
#define LK_LOCK     _LK_LOCK
#define _LK_NBLCK   2   /* non-blocking lock */
#define LK_NBLCK    _LK_NBLCK
#define _LK_RLCK    3   /* lock for writing */
#define LK_RLCK     _LK_RLCK
#define _LK_NBRLCK  4   /* non-blocking lock for writing */
#define LK_NBRLCK   _LK_NBRLCK

_WCRTLINK extern int locking(int __handle,int __mode,unsigned long __nbyte);
_WCRTLINK extern int _locking(int __handle,int __mode,unsigned long __nbyte);

:include cplusepi.sp
#endif